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Complementary Base Pairing: Definition & Explanation

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

DNA is a polynucleotide molecule consisting of the following nucleotides:

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1. Complementary base pairing in DNA assures that only one of the following base pairs exists in DNA. Select the correct base pair.

2. If a strand of a DNA molecule has the sequence GTCCAC, what would be the sequence of the complementary section of DNA?

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About This Quiz & Worksheet

DNA is an essential and complex molecule. This quiz/worksheet combo will help you to learn about DNA and the rules for pairing complementary nucleotides. The quiz will challenge your understanding using both theoretical and practice problems.

Quiz & Worksheet Goals

Test yourself on the following:

  • The nucleotides that make up DNA
  • DNA base pairs
  • Complementary strands
  • The Chargraff Parity Rule 1

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on complementary base pairing
  • Making connections - use understanding of the concept of base pairing to identify the sequence for a complementary strand to a given strand of DNA
  • Problem solving - use acquired knowledge to solve practice problems involving DNA molecules

Additional Learning

Continue your studies of DNA by reviewing the accompanying lesson, which is called Complementary Base Pairing: Definition & Explanation. The lesson covers the following objectives:

  • Define key phrases, such as nucleotide and base pair
  • Know the nucleotides that make up DNA
  • Understand how base pairs of DNA are bonded to form a double helix structure
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